Flying, deathtouch, lifelink

Other creatures you control with flying get +1/+0.

Whenever you cast an artifact or enchantment spell, create a 1/1 blue Faerie creature token with flying.

{T}: Add one mana of any color in your commander's color identity.

Flying

Metalcraft -- {U}: Exile Argent Sphinx. Return it to the battlefield under your control at the beginning of the next end step. Activate only if you control three or more artifacts.

{1}, {T}: Add {W}{U}.

Flying

When Citywatch Sphinx dies, surveil 2. (Look at the top two cards of your library, then put any number of them into your graveyard and the rest on top of your library in any order.)

Flying

When Cloudreader Sphinx enters the battlefield, scry 2. (Look at the top two cards of your library, then put any number of them on the bottom of your library and the rest on top in any order.)

At the beginning of your end step, you may exile target creature you control, then return that card to the battlefield under your control.

Flying

Whenever Conundrum Sphinx attacks, each player chooses a card name. Then each player reveals the top card of their library. If the card a player revealed has the name they chose, that player puts it into their hand. If it doesn't, that player puts it on the bottom of their library.

{1}, {T}: Add {U}{B}.

Flying

When Enigma Sphinx is put into your graveyard from the battlefield, put it into your library third from the top.

Cascade (When you cast this spell, exile cards from the top of your library until you exile a nonland card that costs less. You may cast it without paying its mana cost. Put the exiled cards on the bottom of your library in a random order.)

Strive -- This spell costs {1}{U} more to cast for each target beyond the first.

Exile any number of target creatures. For each creature exiled this way, its controller creates a 4/4 blue Sphinx creature token with flying.

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

Flying

When Magister Sphinx enters the battlefield, target player's life total becomes 10.

Cumulative upkeep {1} (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)

Whenever an opponent casts a noncreature spell, you may draw a card unless that player pays {4}.

{1}, {T}: Add {W}{B}.

At the beginning of your upkeep, you draw a card and you lose 1 life.

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

Flying

Discard a card: Prognostic Sphinx gains hexproof until end of turn. Tap it.

Whenever Prognostic Sphinx attacks, scry 3.

Whenever an opponent casts a spell, you may draw a card unless that player pays {1}.

Whenever you cast a noncreature spell, you may have Riddleform become a 3/3 Sphinx creature with flying in addition to its other types until end of turn.

{2}{U}: Scry 1. (Look at the top card of your library. You may put that card on the bottom of your library.)

Put all creature cards from all graveyards onto the battlefield under your control.

{1}, {T}: Exile any number of cards from your hand face down. Put that many cards from the top of your library into your hand. Then look at the exiled cards and put them on top of your library in any order.

{1}: Look at the top three cards of your library, then put them back in any order.

{T}: Draw a card, then put Sensei's Divining Top on top of its owner's library.

Flying

Whenever Sphinx Ambassador deals combat damage to a player, search that player's library for a card, then that player chooses a card name. If you searched for a creature card that doesn't have that name, you may put it onto the battlefield under your control. Then that player shuffles.

Flying

When Sphinx Summoner enters the battlefield, you may search your library for an artifact creature card, reveal it, put it into your hand, then shuffle.

Flying

When Sphinx of Enlightenment enters the battlefield, target opponent draws a card and you draw three cards.

Flying

When Sphinx of Uthuun enters the battlefield, reveal the top five cards of your library. An opponent separates those cards into two piles. Put one pile into your hand and the other into your graveyard.

Sphinx of the Guildpact is all colors.

Flying

Hexproof from monocolored (This creature can't be the target of monocolored spells or abilities your opponents control.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

Indestructible

As long as your devotion to blue is less than five, Thassa isn't a creature.

At the beginning of your end step, exile up to one other target creature you control, then return that card to the battlefield under your control.

{3}{U}: Tap another target creature.

Repeat the following process X times. Each opponent loses 3 life unless that player sacrifices a nonland permanent or discards a card.

Each player discards their hand, then draws cards equal to the greatest number of cards a player discarded this way.